I have a 32GB 3G Wifi Ipad and an apple case. I installed a Zagg shield over the glass. Its been there for about a month. I noticed though that there is now a faint blue "haze" over the left side (power/home button at the bottom). At first I thought it was just the shield. But when I close the case, the little flap aligns perfectly with the blue line thingy. So it looks like the case discolored the shield a bit. Anyone else experience this?